All our products strictly according to international Standard, such as the BS EN/CE, UL, ANSI, BHMA standard.

D&D provide one stop hardware solution for commercial projects.Lock Cylinder is also called Door Lock, Cylinder, Key cylinder, Cylinder lock etc.It can be used on Wooden door, Metal door, Interior door, outer door, swing door etc.The main lengths are 40/60/70/80/90mm, and the main function is Double open or with KnobThe main raw materials can be Brass or Zinc alloy, with Normal key or Computer Key(3-5 pcs),The key material can be Brass or Steel .All surface finishes are available.Customers can choose according to door thickness, function and using environment.Custom designs, sizes, colors, and logos are welcome.Lock Cylinder is also called Door Lock, Cylinder, Key cylinder, Cylinder lock etc.It can be used on Wooden door, Metal door, Interior door, outer door, swing door etc.The main lengths are 40/60/70/80/90mm, and the main function is Double open or with KnobThe main raw materials can be Brass or Zinc alloy, with Normal key or Computer Key(3-5 pcs),The key material can be Brass or Steel .All surface finishes are available.Customers can choose according to door thickness, function and using environment.Custom designs, sizes, colors, and logos are welcome.